AcousT 18, 1913] Four Scorb of New Plants 1771 



elly soil of the Iwahig river banks at 250 feet altitude. 



Only critically distinguished from D. henthaminanum 

 (Turcz.) Engl, and D. luzoniense M. and R. 



DILLENIACEAE 

 Tetracera subrotundata Elm. n. sp. 



Lofty tree climber; stem looping, terete but very crooked, 

 5 cm. thick, flexible, very porous and with radial lines, 

 without taste and odor, dingy white except the testaceus 

 heartwood; bark yellowLsh on the inner side, hypodermis 

 latericius, the surface exactly fulvus and scaling or finking 

 in thin plates, with a clear sap; twigs tough, crookedly 

 curved, tips ascending, hanging in tangled masses, pulverulent, 

 striate. Leaves alternating, horizontal or descending, shining 

 deep green above and obscurely conduplicate, paler beneath, 

 subglabrous on both sides, curing brown, very chartaeeous. 

 elliptic or subrotund, harsher on the nether side, both ends 

 broadly rounded, the apex usually very short blunt pointed' 

 margins entire or toward the apex very obscurely crenate, 

 the average lamina 14 cm. long by 8 cm. across the middle 

 or its widest part; midrib flat on the upper leaf surface, 

 prominent and sparsely hairy beneath; lateral nerves less 

 prominent but equally strigose, oblique, parallel, only the 

 very tips ascendingly curved, the very numerous cross bars 

 barely visible; petiole 2 cm. long, conspicuously channelled 

 along the upper side, usually appressed hairy. Inflorescence 

 terminal, erect or suberect, green and sparsely puberulent or 

 subglabrous, much exceeding the foliage, distichously rebranched 

 and forming a dense elongated panicle; branches alternate, 

 the basal ones longer and usually subtended by a foliaceous 

 bract, rebranched from near the base, all the stalks angularly 

 compressed, the ultimate ones subtended by bracts; pedicels 

 less than 5 mm. long, distinctly articulate above the middle; 

 flower sweetly odorous; sepals green, of 2 unequal decussate 

 pairs, elliptic or obovately so, finely ciliate along the margins, 

 deeply concavo-convex, conspicuously reticulate, the smaller 

 pair 4 mm. long, the larger by 2 mm, longer, the broad 

 bases united into a concrete mass, widely separated when 



